A union by treaty
由条约缔结的联盟
🧩 词语组成解析
by
[baɪ]
prep. 在…旁边;表示方式;由于;经过;
adv. 经过;表示保留或保存时用;短暂拜访;
🗣️ 情景例句
Oh, you poor little thing.
哦，可怜的小东西。
I should say you've caught a cold.
我看你感冒了。
Cave exploration, or pot-holing, as it has come to be known, is a relatively new sport.
洞穴勘查——或洞穴勘探——是一项比较新的体育活动。